high
8.8
CWE
119 20
Advisory Published
CVE Published
Updated

CVE-2020-3846: Buffer Overflow

First published: Tue Jan 28 2020(Updated: )

libxml2. A buffer overflow was addressed with improved size validation.

Credit: Ranier Vilela Ranier Vilela Ranier Vilela Ranier Vilela Ranier Vilela Ranier Vilela Ranier Vilela product-security@apple.com

Affected SoftwareAffected VersionHow to fix
tvOS<13.3.1
13.3.1
macOS Catalina<10.15.3
10.15.3
macOS Mojave
macOS High Sierra
Apple iOS, iPadOS, and watchOS<13.3.1
13.3.1
Apple iOS, iPadOS, and watchOS<13.3.1
13.3.1
Apple iOS, iPadOS, and watchOS<6.1.2
6.1.2
Apple iCloud for Windows<7.17
Apple iCloud for Windows>=10.0<10.8
Apple iTunes for Windows<12.10.4
Apple iOS, iPadOS, and watchOS<13.3.1
iOS<13.3.1
Apple iOS and macOS<10.15.3
tvOS<13.3.1
Apple iOS, iPadOS, and watchOS<6.1.2
Apple iCloud<7.17
7.17
Apple iCloud<10.9.2
10.9.2
Apple iTunes<12.10.4
12.10.4

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2020-3846?

    CVE-2020-3846 is a vulnerability in libxml2 that allows for a buffer overflow due to insufficient size validation.

  • How does CVE-2020-3846 affect Apple tvOS?

    CVE-2020-3846 affects Apple tvOS versions up to and excluding 13.3.1.

  • How does CVE-2020-3846 affect Apple watchOS?

    CVE-2020-3846 affects Apple watchOS versions up to and excluding 6.1.2.

  • What is the remedy for CVE-2020-3846 in Apple software?

    The remedy for CVE-2020-3846 in Apple software is to update to the specified fixed versions: Apple tvOS 13.3.1, Apple watchOS 6.1.2, Apple iTunes for Windows 12.10.4, Apple iCloud for Windows 7.17, Apple iOS 13.3.1, Apple iPadOS 13.3.1, Apple macOS Catalina 10.15.3.

  • Where can I find more information about CVE-2020-3846?

    You can find more information about CVE-2020-3846 on the Apple support website at the following links: [link1], [link2], [link3].

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